1/4" 9/32" Continuous Pilot Capscrew Counterbore, DEWCSCBR1/4

Description

Drill America qualtech decor series aircraft counter bore. Counter boring is the enlargement of a portion of a hole that has previously been formed.
If the counter bored portion is shallow (1/inches or less), the operation is usually known as spot-facing; for example, a flat Seat for a bolt head or nut.
If, on the other hand, the hole is enlarged to a considerable depth, it is designated as counter boring.
This counter bore is made of two-piece construction, having an integral shank and counter bore-cutter, and a pilot that is interchangeable, which provides flexibility in the use of the tool.
High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Round shanks allow use with a wide variety of tool holding systems.
High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Round shanks allow use with a wide variety of tool holding systems
Counter boring is the enlargement of a portion of a hole that has previously been formed
The counter bore is a two-piece construction, having an integral shank and counter bore-cutter, and a pilot that is interchangeable, which provides flexibility in the use of the tool
Size : 1/4"
Material : High Speed Steel
Finish : Uncoated (Bright)
Overall Length : 5"
Shank Size : 3/8"
Shank Type : Round